Did you ever stop to think how smart your car is?
The new Ford Focus, for example, has more than 145 actuators, 4,716 signals, and 74 sensors — radar, sonar, cameras, accelerometers, temperature and even rain sensors — that produce more than 25 gigabytes of data per hour. That data is analyzed by more than 70 on-board computers. The actuators combined with signal information from the sensors can alert the driver to potential dangers, and help with things like parking or staying within highway lane markings.
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